List of symbols xv
Symbol Description Unit
��
2! �� Oscillatory second-order eld component
0 Steady second-order eld component
Re
��
Real part of
Im
��
Imaginary part of
O
��
Remainder of relative order of magnitude
r Gradient vector operator m��1
r Divergence scalar operator m��1
r Rotation vector operator m��1
r2 Laplacian scalar operator m��2
